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Decorators have always been a powerful concept in Icinga Web’s form system — letting developers control how form elements are displayed without hardcoding markup everywhere. But until recently, the decorator system had its limits. The new implementation of form element decorators completely reimagines this approach, offering cleaner logic and better flexibility. In this article, we’ll explore what’s new, why it’s better, and how to use it effectively in your own forms.

Some of you might have already heard about this at OSMC, or you may have received a release notification from GitHub already: our Icinga Notifications project made a step forward and we are happy to announce that version 0.2.0 is now available for you to try out. It addresses feedback that we have received for the previous versions with the most important changes highlighted below.

Go’s os.Root feature, introduced in Go 1.24, is designed to improve filesystem security by restricting operations to a specific directory, making it much harder for attackers to exploit path traversal vulnerabilities.